CVE-2026-69771 Windows Container Manager Service Security Feature Bypass Vulnerability

{
  "id": "edf60b3ae68f391d7c72e28a9619b31fe1a71ce34f9e95c7b459de452461bc40",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69771",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-69771 Windows Container Manager Service Security Feature Bypass Vulnerability",
    "summary": "An authorized attacker could locally bypass a security feature in Windows Container Manager Service through improper link resolution before file access.",
    "evidence": "Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.",
    "products": [
      {
        "name": {
          "value": "Windows Container Manager Service",
          "evidence": "CVE-2026-69771 Windows Container Manager Service Security Feature Bypass Vulnerability"
        },
        "prerequisites": [
          {
            "value": "an authorized attacker",
            "evidence": "allows an authorized attacker to bypass a security feature locally"
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-69771",
        "evidence": "CVE-2026-69771 Windows Container Manager Service Security Feature Bypass Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26571,
  "published_at": "2026-09-08T14:00:00+00:00"
}